1969
DOI: 10.1002/pssb.19690320139
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On the Polarization Vectors of Lattice Vibrations

Abstract: The polarization vectors of lattice vibrations in anisotropic crystals of cubic structure are considered from a quantitative point of view. A new anisotropy index A = cll/(c12 +2 c4J is shown to be more adequate as a measure of anisotropy than the conventional s = = (cn -c12)/2 c4p The reason for anisotropy is discussed briefly, with special emphasis on simple metals. The approximation of assuming the lattice vibrations to be strictly longitudinal or transverse is discussedfor several properties of metals, wit… Show more

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Cited by 6 publications
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